Monday, July6, 2020
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Marine Weather and Tides
Seabrook, TX

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:24AMSunset 8:25PM Monday July 6, 2020 5:37 PM CDT (22:37 UTC) Moonrise 9:00PMMoonset 6:42AM Illumination 98% Phase: Waning Gibbous; Moon at 16 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ335 Galveston Bay- 328 Pm Cdt Mon Jul 6 2020
Tonight..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms after midnight.
Tuesday..South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Tuesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday..South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Friday..South winds 10 to 15 knots. Bay waters slightly choppy.
Friday night..South winds 10 to 15 knots becoming southwest after midnight. Bay waters slightly choppy becoming smooth to slightly choppy after midnight.
Saturday..Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon.
Saturday night..Southwest winds 10 to 15 knots. Bay waters slightly choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 328 Pm Cdt Mon Jul 6 2020
Synopsis for high island to matagorda ship channel out 60 nm.. Generally light to moderate onshore winds will prevail through the middle of the week. Scattered to isolated showers and Thunderstorms are expected the next few days as deeper moisture moves into the region.


7 Day Forecast for Marine Location Near Seabrook, TX
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location: 29.61, -94.98     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 062027 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 327 PM CDT Mon Jul 6 2020

SHORT TERM [through Tuesday].

Anticipate some shra/tstm development across nw/n parts of the area in the next couple hours as temps climb into the mid 90s. Can't totally rule out a few pulse strong cells. This activity should persist into the mid evening hours until the loss of heating eventually works its magic.

Sct precip again expected later tonight and Tue with the combination of remnant boundaries, 1.9-2.2" PW's, low/mid level troffiness situated across (mainly northern) parts of the region, and the typical daytime heating/seabreeze across southern parts. 47

LONG TERM [Tuesday Night through Monday].

The second half of the work week into the weekend looks even warmer with above average temperatures and minimal rain chances across the region.

Instability and lift decrease Tuesday night as a mid-level shortwave north of our area, shifts northeast into the Lower MS Valley. However, a small threat for isolated showers and storms is still possible Tuesday night into Wednesday in the vicinity of an area of low-level convergence and a corridor of PWATS around 2.00-2.35. The best chance for this activity will be across our far northern Counties (along and north of a line from College Station to Conroe to Livingston). Have kept PoP chances from 20-30 percent through Wednesday afternoon.

The weather pattern then transitions to drier and hotter conditions into the upcoming week. A strong anomalous ridge will be centered over the SW CONUS late this week. NAEFS and ENS are showing percentile values in the 99th to "Max" range at 500 hPa, falling outside of climatology for this time of year. Meanwhile, a broad surface high pressure centered over the Gulf will promote south to southwest winds into the region. Thus, a hot and humid weekend might be possible if current model trends verify. With this in mind, have trended temperatures closer to the 75th percentile with some areas west of I-45 making into the triple digits. Will continue to monitor the potential for heat headlines through the weekend as heat indices will possibly meet the criteria. In terms of precipitation, a relatively dry pattern will dominate the region; however, a few diurnally-driven showers cannot be ruled out Thursday-Friday. 05

MARINE.

The main issue the next couple of days will be the widely scattered to scattered storms developing across the coastal waters as per the increased low-level moisture (from the east) and upper level distur- bances (moving in from the W/NW). This activity should help produce some briefly elevated winds/seas in/near the stronger storms. Other- wise, not a lot of change with the ongoing forecast of mainly light to moderate onshore winds through the end of the week. 41

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 78 92 77 94 77 / 30 40 10 10 0 Houston (IAH) 79 92 79 95 79 / 30 50 10 10 0 Galveston (GLS) 83 91 83 89 84 / 20 30 10 10 0

HGX WATCHES/WARNINGS/ADVISORIES. TX . NONE. GM . NONE.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 5 mi49 min SSE 9.9 G 14 88°F 87°F1013 hPa
EPTT2 - 8771013 - Eagle Point, TX 10 mi49 min S 13 G 17 87°F 87°F1012.8 hPa
NCHT2 - 8770777 - Manchester, TX 17 mi49 min SSW 6 G 9.9 91°F 87°F1012.1 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 22 mi49 min S 11 G 13
GRRT2 22 mi49 min SSW 11 G 13 86°F 87°F1012.8 hPa
GTOT2 23 mi49 min SSW 6 G 13 87°F 84°F1013.2 hPa
RLOT2 - 8770971 - Rollover Pass, TX 26 mi49 min SSW 5.1 G 8.9 84°F1013.7 hPa
HIST2 31 mi49 min SSW 9.9 G 13 86°F 87°F1013.2 hPa
LUIT2 38 mi49 min S 8 G 13 86°F 81°F1014.8 hPa
42035 - GALVESTON 22NM East of Galveston, TX 40 mi37 min SSW 12 G 14 85°F 1013 hPa (-0.7)81°F
42043 - GA-252 TABS B 44 mi97 min S 9.7 G 12 85°F1013.6 hPa (-1.0)
FPST2 49 mi49 min SSE 8 G 8.9 85°F 88°F1012.3 hPa

Wind History for Morgans Point, TX
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi47 minS 710.00 miMostly Cloudy90°F78°F71%1012.5 hPa
Houston, Pearland Regional Airport, TX15 mi44 minSSW 710.00 miMostly Cloudy92°F73°F56%1013 hPa
Houston, Houston Hobby Airport, TX16 mi44 minS 1010.00 miMostly Cloudy93°F75°F56%1012.7 hPa
John Dunn Helistop, TX23 mi42 minSSE 12 G 1810.00 miA Few Clouds90°F75°F63%1012.5 hPa
Galveston, Scholes Field, TX24 mi45 minS 1210.00 miFair89°F79°F72%1013.6 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hrS8S8S9S10S10S7S4S7S5S7S6S8S8S7S5W4SW6S9S10S8S6S6S7S7
1 day agoS5SW4S11S9S10S8S7SW5SW7SW7S5SW3SW4SW4SW6SW6
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2 days agoW6CalmNE11E11
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SE6SE3CalmCalmCalmCalmCalmCalmCalmCalmW4--W9W9SW10NW4W5SE4--S6

Tide / Current Tables for Barbours Cut, Morgans Point, Galveston Bay, Texas
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Mon -- 03:00 AM CDT     0.00 knots Slack
Mon -- 06:25 AM CDT     Sunrise
Mon -- 06:33 AM CDT     2.15 knots Max Flood
Mon -- 07:41 AM CDT     Moonset
Mon -- 02:26 PM CDT     -0.00 knots Slack
Mon -- 08:22 PM CDT     Sunset
Mon -- 09:58 PM CDT     Moonrise
Mon -- 10:50 PM CDT     -2.34 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2.1-1.6-0.9011.72.12.11.91.61.31.10.80.50.1-0.2-0.3-0.5-0.7-1.1-1.6-2-2.3-2.3

Weather Map
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wmap_A
GEOS Local Image of SouthCentralPlains    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Houston/Galveston, TX (18,4,5,8)
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Ground Weather Radar Station Houston/Galveston, TX
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weather_mapweather_map weather_map

Gulf Stream Current


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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.